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TWE 3 <br /> . Joint Groundwater Monitolwata and Analytical Results . <br /> North Stockton Auto Center <br /> 8709 North Davis Road <br /> Stockton,California <br /> WELL IDI DATE DTW GWE, TPH-G B T E X MTBE <br /> TOC* 0 6%) (Ppb) (PPb) (PPb) (PPb) (PPb) (PPb) <br /> MW1 <br /> 06/25/01 31 60 -- <50 <05 <0 5 <0 5 <0 5 -- <br /> 1469 08/22/01'Z 33 99 -1920 <50 <2 0 <2 0 <2 0 <2 0 <2 0 <br /> JOINT MONITORING: DISCONTINUED — -- — -- <br /> Groundwater monitoring data and laboratory analytical resuslts were provided by Ground Zero Analysis,Inc <br /> TOC=Top of Casing B=Benzene (ppb)=Parts per billion <br /> DTW=Depth to Water T=Toluene -=Not Measured/Not Analyzed <br /> (ft)=Feet E=Ethylbenzene <br /> GWE=Groundwater Elevation X=Xylenes <br /> TPH-G=Total Petroleum Hydrocarbons as Cimlme MTBE=Methyl tertiary butyl ether <br /> * TOC elevations were surveyed to arbitrary datum by Secor International,casing elevation of MW-1 tied into Tosco(Circle K)Unit#08671 wells <br /> As requested by Secor International Inc,0 02 feet has been added to DTW numbers,due to the difference of Gettler-Ryan,Inc and Secor's probe <br /> BTEX and MTBE by EPA Method 8260 <br /> 08671 xW4180198 8 As of 11120/01 <br />